FILE - In this June 19, 2013, file photo, Tea Party activists rallying in front of the U.S. Capitol in Washington. The movement’s top strategists concede the tea party is quieter today, by design. It has matured, they said, from a protest movement to a political movement. Large-scale rallies have given way to strategic letter-writing and phone-banking campaigns to push or oppose legislative agendas in Washington and state capitals. (AP Photo/J. Scott Applewhite, File)

FILE - In this April 27, 2008 file photo, Ralph Nader speaks to supporters as he campaigns for his 2008 independent presidential bid in Waterbury, Conn. Nader is planning the American Museum of Tort Law, to be built in a former bank building in his hometown of Winsted, Conn. Nader said the museum will detail the history of the civil law, and may also host artifacts including a Chevrolet Corvair -- the car featured in his famous 1965 book on the auto industry’s safety record. (AP Photo/George Ruhe, File)

ADVANCE FOR WEDNESDAY, JULY 24 - This print advertisement provided by Connect for Health Colorado shows part of the campaign to promote Colorado’s new health insurance marketplace, part of the nation’s health care overhaul. Denver-based advertising and digital marketing agency Pilgrim designed a campaign to remind people of the good feeling they get when they win, said Pilgrim CEO Tom Leydon. Colorado is one of many states launching campaigns this summer to get the word out before enrollment for new health insurance benefits begins Oct. 1. (AP Photo/Courtesy of Connect for Health Colorado)

In this photo taken on Wednesday, July 17, 2013, Gerry Taama, left, from the New Togolese Engagement party meets people in a local market as he campaigns for the legislative elections in Lome, Togo. The small West African country goes to the polls Thursday for legislative elections that will test whether recent signs of discontent might legitimately threaten President Faure Gnassingbe's hold on power. Some experts say there may be, for the first time, vulnerabilities in a country that has seen an increasingly daring public outcry against entrenched poverty, high youth unemployment and controversial crackdowns by the security forces. (AP Photo/Erick Kaglan)

In this photo taken on Wednesday, July 17, 2013, Gerry Taama, right, from the New Togolese Engagement party greets a stall holder at a local market as he campaigns for the legislative elections in Lome, Togo. The small West African country goes to the polls Thursday for legislative elections that will test whether recent signs of discontent might legitimately threaten President Faure Gnassingbe's hold on power. Some experts say there may be, for the first time, vulnerabilities in a country that has seen an increasingly daring public outcry against entrenched poverty, high youth unemployment and controversial crackdowns by the security forces. (AP Photo/Erick Kaglan)

In this photo taken on Wednesday, July 17, 2013, Gerry Taama, center, from the New Togolese Engagement party campaigns at a local market ahead of legislative elections in Lome, Togo. The small West African country goes to the polls Thursday for legislative elections that will test whether recent signs of discontent might legitimately threaten President Faure Gnassingbe's hold on power. Some experts say there may be, for the first time, vulnerabilities in a country that has seen an increasingly daring public outcry against entrenched poverty, high youth unemployment and controversial crackdowns by the security forces. (AP Photo/Erick Kaglan)

FILE - In this June 25, 2013, file photo, President Barack Obama arrives to make a speech at Georgetown University in Washington. Politicians and economists are straining to get a clearer view of what the economy will look like a year from now, when midterm political campaigns are heating up. Republicans see the glass as half empty; Democrats view it as half full. And the economists aren’t sure. (AP Photo/Evan Vucci)

FILE - In this July 9, 2013, file photo, Speaker of the House John Boehner speaks following a Republican strategy session at the Capitol in Washington. Politicians and economists are straining to get a clearer view of what the economy will look like a year from now, when midterm political campaigns are heating up. Republicans see the glass as half empty; Democrats view it as half full. And the economists aren’t sure. (AP Photo/J. Scott Applewhite, File)

FILE - This May 15, 2013 file photo shows stacks of paperwork awaiting members of the House Agriculture Committee on Capitol Hill in Washington, as it meets to consider proposals to the 2013 Farm Bill. Conservative groups pressured rural-state Republicans - many representing agricultural districts - with radio ad campaigns to oppose the five-year $940-billion bill, calling its proposed cuts to food stamps too little. Democrats, whose districts mostly encompass urban areas home to food-stamp recipients, refused to budge on cuts they considered too deep. Each party was fearful of angering their core supporters. (AP Photo/J. Scott Applewhite, File)

FILE - In this Jan. 14, 2008 file photo, U.S. Rep. Dan Lipinski, D-Ill., campaigns for re-election at a Metra commuter train station in Berwyn, Ill. Lipinski says public transit agencies nationwide are being targeted with questionable lawsuits by "patent trolls" that are squeezing settlements out of financially strapped public entities unable to mount legal defenses. Lipinski says at least 20 public transit agencies, including the Chicago area's Metra, have been targeted. (AP Photo/Brian Kersey, File)

In this Thursday, June 20, 2013 photo, main opposition Socialist Party leader Edi Rama, speaks at a rally, in Tirana, Albania, ahead of the Sunday’s general elections. Political parties in Albania entered their final day of campaigning for Sunday's general elections, considered a test for the Balkan country to shed its history of troubled campaigns as it seeks closer ties and eventual membership in the European Union. (AP Photo/Hektor Pustina)

In this Thursday, June 20, 2013 photo, main opposition Socialist Party leader Edi Rama, speaks at a rally, in Tirana, Albania, ahead of the Sunday’s general elections. Political parties in Albania entered their final day of campaigning for Sunday's general elections, considered a test for the Balkan country to shed its history of troubled campaigns as it seeks closer ties and eventual membership in the European Union. (AP Photo/Hektor Pustina)

FILE - In this Oct. 23, 2012, file photo President Barack Obama campaigns for his reelection in Delray Beach, Fla. A Quinnipiac University poll conducted in late May 2013 shows a steep decline in the percentage of people who find Obama honest and trustworthy: 49 percent, versus the 58 percent of their 2011 poll. And since his second-term controversies have taken hold, the poll also shows Obama has taken a hit among independents, which used to be a source of strength for him: 40 percent say he is honest and trustworthy, down from 58 percent in September 2011. (AP Photo/Pablo Martinez Monsivais, File)

A teacher explains to kindergarten pupils about a map illustrating battle campaigns in the Korean War at the Korea War Memorial Museum in Seoul, South Korea, Friday, June 7, 2013. North Korea on Friday proposed holding low-level government talks with South Korea this weekend as the rivals look to mend ties that have plunged during recent years amid hardline stances by both countries. (AP Photo/Lee Jin-man)

Pakistan army troops are seen for election duties in Nowshera, Pakistan, Thursday, May 9, 2013. Pakistani authorities decided to deploy army troops to sensitive areas during next week's general election to avert any attempt of terrorism and violence. Candidates restricted their election campaigns to small meetings of constituents and social media due to ongoing attacks by Taliban on their offices and rallies of various political parties. (AP Photo/Mohammad Sajjad)